Heart rate variability is confounded by the presence of erratic sinus rhythm

Phyllis K. Stein, Norbert Yanez, P. P. Domitrovich, J. Gottdiener, P. Chaves, R. Kronmal, P. Rautaharju

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Decreased heart rate variability (HRV) predicts adverse outcomes. HRV can be elevated by episodes of significant non-respiratory sinus arrhythmia (i.e., a highly erratic sinus rhythm with normal p-waves, ESR). This elevated HRV could confound risk stratification by increasing HRV in high-risk patients. HRV was determined from tapes recorded at baseline in the Cardiovascular Health Study, a population study of older adults. Twenty-four hour time, frequency and non-linear domain HRV was compared between ESR+ and ESR- subjects, with (CVD+) and without (CVD-) cardiovascular disease. ESR+ was associated with higher HRV in the time and frequency domains and with decreased short-term fractal scaling exponent and increased ratios of the dimensions of the Poincaré plot fitted ellipse. (ESR+ and CVD+) subjects with had the highest HRV for virtually all indices, while (ESR- and CVD+) had the lowest HRV. Since decreased HRV is associated with adverse outcomes, ESR is likely to dilute the predictive power of HRV.

Original languageEnglish (US)
Pages (from-to)669-672
Number of pages4
JournalUnknown Journal
Volume29
StatePublished - 2002
Externally publishedYes

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Heart Rate
Paramagnetic resonance
Chemical vapor deposition
Sinus Arrhythmia
Fractals
Tapes
Cardiovascular Diseases
Health
Population

ASJC Scopus subject areas

  • Software
  • Cardiology and Cardiovascular Medicine

Cite this

Stein, P. K., Yanez, N., Domitrovich, P. P., Gottdiener, J., Chaves, P., Kronmal, R., & Rautaharju, P. (2002). Heart rate variability is confounded by the presence of erratic sinus rhythm. Unknown Journal, 29, 669-672.

Heart rate variability is confounded by the presence of erratic sinus rhythm. / Stein, Phyllis K.; Yanez, Norbert; Domitrovich, P. P.; Gottdiener, J.; Chaves, P.; Kronmal, R.; Rautaharju, P.

In: Unknown Journal, Vol. 29, 2002, p. 669-672.

Research output: Contribution to journalArticle

Stein, PK, Yanez, N, Domitrovich, PP, Gottdiener, J, Chaves, P, Kronmal, R & Rautaharju, P 2002, 'Heart rate variability is confounded by the presence of erratic sinus rhythm', Unknown Journal, vol. 29, pp. 669-672.
Stein PK, Yanez N, Domitrovich PP, Gottdiener J, Chaves P, Kronmal R et al. Heart rate variability is confounded by the presence of erratic sinus rhythm. Unknown Journal. 2002;29:669-672.
Stein, Phyllis K. ; Yanez, Norbert ; Domitrovich, P. P. ; Gottdiener, J. ; Chaves, P. ; Kronmal, R. ; Rautaharju, P. / Heart rate variability is confounded by the presence of erratic sinus rhythm. In: Unknown Journal. 2002 ; Vol. 29. pp. 669-672.
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AU - Domitrovich, P. P.

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AU - Chaves, P.

AU - Kronmal, R.

AU - Rautaharju, P.

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